virtual CBCGPPoint CBCGPChartSeries::GetDataPointScreenPoint ( int  nDataPointIndex, int  nScreenPointIndex = 0  ) const

virtual

Returns a screen point associated with a data point.

Screen points are calculated when the chart is invalidated and represent screen positions that data points take on the screen. Each data point holds an array of points and each series may store some extended information in that array.

Parameters

nDataPointIndex	Specifies data point index.
nScreenPointIndex	Specifies screen point index.